{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "cell type", "protein", "RNA", "cell line"], "input": "cDNA clones for the human erythroid ALAS isozyme were isolated from a fetal liver library ."}
{"DNA": ["cDNA clones", "fetal liver library"], "cell type": [], "protein": ["human erythroid ALAS isozyme"], "RNA": [], "cell line": []}